Monday, October 19, 2026 · Argentina
Skin weather in Iguazú UV index & humidity today
What today’s weather in Iguazú does to your skin – based on current forecast data for UV, humidity and air quality.
Updated Oct 19, 2026, 5:10 AM local time
Today · Temperature11 to 25 °C
Low and high-
UV index
8.9
very high
Peak UV index today: 8.9 – very high.
Very high UV: the WHO advises avoiding the midday sun and reapplying sun protection regularly.
-
Humidity
58%outdoors
balanced
Average humidity today: 58%.
Balanced humidity – your usual routine works well.
-
Pollen
–
No pollen forecast is available for this region.
-
Air quality
33EAQI
fair
European Air Quality Index up to 33 – fair. Fine dust (PM2.5) averages 6.1 µg/m³.
Clean air – no extra cleansing needed.
Tomorrow
- 12 to 30 °C
- UV 8.5 · very high
- 56% · balanced
- Air quality: moderate
Skin climate in Iguazú through the year
When the air in Iguazú is driest and when the sun is strongest – based on climate data from recent years.
- In Iguazú the average daily temperature stays above 15 °C all year – heating is rarely needed. Outdoor humidity ranges between 71% and 82%.
- From August to May, the midday sun climbs higher than 45° – your shadow is then shorter than you are. According to the WHO shadow rule, UV is then usually high.
- January brings the most sunshine, with around 351 hours.
| Month | Sunshine | Midday sun | Humidity outdoors | Indoors when heated | Avg. high |
|---|---|---|---|---|---|
| Jan | 351 h | 86° | 73% | – | 32.2 °C |
| Feb | 312 h | 78° | 72% | – | 32.4 °C |
| Mar | 321 h | 67° | 74% | – | 31.5 °C |
| Apr | 263 h | 55° | 79% | – | 27.8 °C |
| May | 244 h | 46° | 81% | – | 24.3 °C |
| Jun | 214 h | 41° | 82% | – | 22.5 °C |
| Jul | 253 h | 43° | 75% | – | 23.6 °C |
| Aug | 277 h | 51° | 71% | – | 25.3 °C |
| Sep | 273 h | 62° | 71% | – | 28.1 °C |
| Oct | 280 h | 74° | 76% | – | 28.1 °C |
| Nov | 321 h | 84° | 71% | – | 30.3 °C |
| Dec | 347 h | 88° | 71% | – | 31.9 °C |
Indoors when heated = humidity when outdoor air is warmed to 21 °C (only months with a daily average below 15 °C). Midday sun = sun angle in mid-month.
Frequently asked questions
What is the UV index in Iguazú today?
Today (October 19) the UV index in Iguazú reaches up to 8.9 – very high. Very high UV: the WHO advises avoiding the midday sun and reapplying sun protection regularly.
How dry is the air in Iguazú today?
Average humidity today: 58%. Balanced humidity – your usual routine works well.
When is the air driest in Iguazú?
In Iguazú the average daily temperature stays above 15 °C all year – heating is rarely needed. Outdoor humidity ranges between 71% and 82%.
When is UV strongest in Iguazú?
From August to May, the midday sun climbs higher than 45° – your shadow is then shorter than you are. According to the WHO shadow rule, UV is then usually high. January brings the most sunshine, with around 351 hours.
Your skin weather, every morning.
Lumée reads UV, humidity, pollen and air quality for your location and turns them into skincare that fits this exact day.
Skin weather nearby
All cities →Data: WDTEC GmbH’s own weather servers – temperature, UV index and humidity from weather models, air quality and pollen from the Copernicus Atmosphere Monitoring Service (CAMS). Ratings: UV per WHO, air quality per European Air Quality Index, pollen per NAB. Skincare tips are general recommendations and do not replace medical advice.